MoxW1- xO3·0.33H2O solid solutions with tunable band gaps

Liang Zhou; Jie Zhu; Meihua Yu; Xiaodan Huang; Zhen Li; Yunhua Wang; Chengzhong Yu

doi:10.1021/jp104644e

Mo_xW_{1- x}O₃·0.33H₂O solid solutions with tunable band gaps

Liang Zhou
, Jie Zhu
, Meihua Yu
, Xiaodan Huang
, Zhen Li
, Yunhua Wang
, Chengzhong Yu^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

71 Scopus citations

Abstract

A series of Mo_xW_1-xO₃·0.33H ₂O (x = 0, 0.25, 0.50, 0.75) micro/nanostructures and α-MoO₃ nanobelts have been prepared by a facile hydrothermal treatment method starting from aqueous peroxo-polytungstic acid and peroxo-molybdic acid solutions. The WO₃·0.33H₂O lattice can be substituted with up to 75% Mo without structural alterations of the orthorhombic host structure. With the increase of the Mo content (x) from 0 to 0.75, the band gap of the as-prepared Mo_xW_1-xO ₃·0.33H₂O micro/nanostructures is narrowed from 3.25 to 2.77 eV. The increased M⁵⁺ (M = Mo and W) fraction and thus enhanced intervalency-transition are responsible for the narrowing of the band gap.

Original language	English
Pages (from-to)	20947-20954
Number of pages	8
Journal	Journal of Physical Chemistry C
Volume	114
Issue number	49
DOIs	https://doi.org/10.1021/jp104644e
State	Published - 16 Dec 2010
Externally published	Yes

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@article{a1cbf454c15549f1ac3b50f5280bbfb8,

title = "MoxW1- xO3·0.33H2O solid solutions with tunable band gaps",

abstract = "A series of MoxW1-xO3·0.33H 2O (x = 0, 0.25, 0.50, 0.75) micro/nanostructures and α-MoO3 nanobelts have been prepared by a facile hydrothermal treatment method starting from aqueous peroxo-polytungstic acid and peroxo-molybdic acid solutions. The WO3·0.33H2O lattice can be substituted with up to 75\% Mo without structural alterations of the orthorhombic host structure. With the increase of the Mo content (x) from 0 to 0.75, the band gap of the as-prepared MoxW1-xO 3·0.33H2O micro/nanostructures is narrowed from 3.25 to 2.77 eV. The increased M5+ (M = Mo and W) fraction and thus enhanced intervalency-transition are responsible for the narrowing of the band gap.",

author = "Liang Zhou and Jie Zhu and Meihua Yu and Xiaodan Huang and Zhen Li and Yunhua Wang and Chengzhong Yu",

year = "2010",

month = dec,

day = "16",

doi = "10.1021/jp104644e",

language = "英语",

volume = "114",

pages = "20947--20954",

journal = "Journal of Physical Chemistry C",

issn = "1932-7447",

publisher = "American Chemical Society",

number = "49",

}

TY - JOUR

T1 - MoxW1- xO3·0.33H2O solid solutions with tunable band gaps

AU - Zhou, Liang

AU - Zhu, Jie

AU - Yu, Meihua

AU - Huang, Xiaodan

AU - Li, Zhen

AU - Wang, Yunhua

AU - Yu, Chengzhong

PY - 2010/12/16

Y1 - 2010/12/16

N2 - A series of MoxW1-xO3·0.33H 2O (x = 0, 0.25, 0.50, 0.75) micro/nanostructures and α-MoO3 nanobelts have been prepared by a facile hydrothermal treatment method starting from aqueous peroxo-polytungstic acid and peroxo-molybdic acid solutions. The WO3·0.33H2O lattice can be substituted with up to 75% Mo without structural alterations of the orthorhombic host structure. With the increase of the Mo content (x) from 0 to 0.75, the band gap of the as-prepared MoxW1-xO 3·0.33H2O micro/nanostructures is narrowed from 3.25 to 2.77 eV. The increased M5+ (M = Mo and W) fraction and thus enhanced intervalency-transition are responsible for the narrowing of the band gap.

AB - A series of MoxW1-xO3·0.33H 2O (x = 0, 0.25, 0.50, 0.75) micro/nanostructures and α-MoO3 nanobelts have been prepared by a facile hydrothermal treatment method starting from aqueous peroxo-polytungstic acid and peroxo-molybdic acid solutions. The WO3·0.33H2O lattice can be substituted with up to 75% Mo without structural alterations of the orthorhombic host structure. With the increase of the Mo content (x) from 0 to 0.75, the band gap of the as-prepared MoxW1-xO 3·0.33H2O micro/nanostructures is narrowed from 3.25 to 2.77 eV. The increased M5+ (M = Mo and W) fraction and thus enhanced intervalency-transition are responsible for the narrowing of the band gap.

UR - https://www.scopus.com/pages/publications/78650298226

U2 - 10.1021/jp104644e

DO - 10.1021/jp104644e

M3 - 文章

AN - SCOPUS:78650298226

SN - 1932-7447

VL - 114

SP - 20947

EP - 20954

JO - Journal of Physical Chemistry C

JF - Journal of Physical Chemistry C

IS - 49

ER -

Mo_xW_{1- x}O₃·0.33H₂O solid solutions with tunable band gaps

Abstract

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